Siemens SINUMERIK Series

Examples
DB97.DBX2.5
Result: DB97.DBX2.6
$AA_IM[1]
Result: $AA_IM[2]
MB201
Result: MB200
/Channel/Parameter/R[u1,3]
Result: /Channel/Parameter/R[u1,2]
Edit PLC user program (828D only)
23.3 Displaying and editing PLC and NC variables
Milling
904 Operating Manual, 08/2018, 6FC5398-7CP41-0BA0